#ctrl-panel {
  width: 350px;
  height: 0px;
  margin-left: auto;
  margin-right: auto;
  position: relative;
  top: 500px;
}

#ctrl-sliding-window {
  margin-left: 3px;
}

.ctrl-bt {
  width: 40px;
  height: 40px;
  margin-left: 0px;
  border: 3px dotted #eeeeee;
}